Place the pizza crust on a pizza baking sheet and spread half of the Alfredo sauce onto the crust. Sprinkle ½ cup of the mozzarella cheese over the Alfredo.
Spread the shredded chicken evenly over the pizza.
Add the garlic powder, salt, and pepper to the remaining Alfredo sauce and stir. Top with remaining Alfredo sauce.
Sprinkle the rest of the cheese evenly over the pizza.
Cook for 12-15 minutes or until the cheese is fully melted and the edges of the pizza begin to brown.
Remove and allow to cool slightly. Top with chopped parsley, if desired.